[PowerPC] Replace the Post RA List Scheduler with the Machine Scheduler
We want to run the Machine Scheduler instead of the List Scheduler after RA.
Checked with a performance run on a Power 9 machine with SPEC 2006 and while
some benchmarks improved and others degraded the geomean was slightly improved
with the Machine Scheduler.
Differential Revision: https://reviews.llvm.org/D45265
llvm-svn: 336295
diff --git a/llvm/test/CodeGen/PowerPC/testComparesllgesc.ll b/llvm/test/CodeGen/PowerPC/testComparesllgesc.ll
index 82f54cd..39499a6 100644
--- a/llvm/test/CodeGen/PowerPC/testComparesllgesc.ll
+++ b/llvm/test/CodeGen/PowerPC/testComparesllgesc.ll
@@ -1,10 +1,10 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
@glob = common local_unnamed_addr global i8 0, align 1
define i64 @test_llgesc(i8 signext %a, i8 signext %b) {
@@ -38,10 +38,10 @@
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: sub r3, r3, r4
-; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT: ld r4, .LC0@toc@l(r5)
; CHECK-NEXT: rldicl r3, r3, 1, 63
; CHECK-NEXT: xori r3, r3, 1
-; CHECK-NEXT: stb r3, 0(r12)
+; CHECK-NEXT: stb r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp sge i8 %a, %b
@@ -55,10 +55,10 @@
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: sub r3, r3, r4
-; CHECK-NEXT: ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT: ld r4, .LC0@toc@l(r5)
; CHECK-NEXT: rldicl r3, r3, 1, 63
; CHECK-NEXT: addi r3, r3, -1
-; CHECK-NEXT: stb r3, 0(r12)
+; CHECK-NEXT: stb r3, 0(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp sge i8 %a, %b